// Potentiometer is connected to GPIO 34 (Analog ADC1_CH6) 
const int sensorPin = 34; // GPIO 34 (input)

void setup() {
    Serial.begin(115200); // Start serial communication at 115200 baud rate
    Serial.println("Hello, ESP32!");
    delay(1000);
}

void loop() {
    // Reading potentiometer value
    int sensorValue = analogRead(sensorPin); // Read the voltage from the divider (0-4095)
    
    // Calculate the actual voltage using the voltage divider formula
    float voltage = (sensorValue / 4095.0) * 3.3; // Voltage at analog pin
    float actualVoltage = voltage * ((10.0 + 2.2) / 2.2); // Scale back to 12V

    // Print the actual voltage to the Serial Monitor
    Serial.print("Actual Voltage: ");
    Serial.print(actualVoltage);
    Serial.println(" V");

    delay(500); // Wait for 500 milliseconds before the next reading
}